Tip of an umbrella



FIG. 1 is a bottom and front perspective view showing my new design.

FIG. 2 is a bottom view.

FIG. 3 is a top view.

FIG. 4 is a left side view.

FIG. 5 is a right side view.

FIG. 6 is a back view; and,

FIG. 7 is a front view.

The broken lines in FIG. 1 show umbrella fabric and a rib which form no part of the claimed design. The broken lines in FIGS. 4, 5, and 6 indicate portions of the tip which form no part of the claimed design. 

The ornamental design for tip of an umbrella, substantially as shown in the drawings. 